[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

3-6月龄进入口欲期后,摇铃把手直径应在2.5-3.5cm之间:细于2cm婴儿手掌抓握不稳,粗于4cm则超出小手抓握跨度无法自主握持

1
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85%
Confidence
Long-term
Relevance
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